TSB Document:
  • Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from GMC for this TSB. Call your local GMC dealer's service department & ask for a copy of TSB# 020139003A.

Affected Component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

Summary
CONCERNS WITH EXT AND XL MODELS EXHIBITING INOPERATIVE REAR HVAC CONTROLS AND / OR DIAGNOSTIC TROUBLE CODE B0150. *TT

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Date Published
JUL 01, 2002
NHTSA TSB #
634886
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